Russia’s No. 1 blog, Novoteka, has finally followed up on our scoop from December about the love child Vladimir Putin fathered with Alina Kabaeva, the gorgeous, 5-foot-4, 26-year-old rhythmic gymnastics champion. Novoteka gave full credit to The Post for breaking the story. Meanwhile, Kabaeva, who named the boy Dimitry, has all but vanished. “Her numbers have all been disconnected, and only five people are in touch with her — her ex-coach, her parents and two other gymnasts who serve in the Duma [the Russian parliament],” a friend of hers told Page Six. “This is modus operandi for Putin, who has always hated the press unless it’s a photo op of him shirtless, hunting tigers in Siberia.” Kabaeva has been identified as Putin’s girlfriend since she retired from competition in 2006 as the most decorated gymnast in history. She was born in Tashkent, the capital of Uzbekistan, when it was still part of the USSR.